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Telco Carrier Traffic Engineer

Five9

Manila, Manila, Philippines (Hybrid) (Philippines) Remote permanent

Posted: April 22, 2026

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Quick Summary

Join our team to manage traffic in enterprise contact centers, utilizing cloud software and expertise to deliver exceptional customer experience.

Job Description

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.

Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.

Traffic Management Specialist

Five9 is a leading provider of cloud software for the enterprise contact center market, bringing the power of the cloud to thousands of customers and facilitating more than three billion customer interactions annually. Since 2001, Five9 has led the cloud revolution in contact centers, helping organizations transition from legacy premise-based solutions to the cloud. Five9 provides businesses with cloud contact center software that is reliable, secure, compliant and scalable, which is designed to create exceptional customer experiences, increase agent productivity and deliver tangible business results.

We are actively seeking a Traffic Management Specialist to join our Carrier Relations team. This person’s responsibilities are centered around traffic management for voice traffic traversing the Five9 network such as monitoring, reporting, augmenting and maintaining carrier call traffic to ensure high levels of quality and reliability coupled with efficient cost margins.

Key Responsibilities:

• Ensures traffic is meeting expected routes through reporting and troubleshooting, takes corrective actions when necessary

• Provide carrier traffic forecasts with regular cadence

• Provide target rate profiles with an established reoccurring cadence to drive competitive pricing

• Process and load updated rate decks for optimal routing

• Monitors and reports on carrier traffic capacity and performance metrics

• Works with vendors on escalation of problems, status updates or performance issues found in monitoring and reporting

• Participates in carrier routing issues such as the removal of a carrier due to network trouble, calculating the cost and impact associated to the event, facilitating the process while mitigating the risk of restoring the carrier to routes

• Works with business partners to understand problem impact, as well as, support project and work requests

• Works with internal groups such as operations, capacity, provisioning to align projects, work- flow processes and metrics report validation

Requirements:

• 3+ years of telecom experience

• Excellent knowledge of telecom principals and terminology including DIDs, Toll Free numbers, LATA OCN and NPA-NXX etc.

• Knowledge of SIP call routing, Least Cost Routing with Session Border Controllers

• Experience with International Routing including ITFS and iDID’s

• Ability understand capacity requirements as it relates to carriers

• Troubleshoot and resolve persistent problems and escalated issues

• Respond to alerts and alarms troubleshooting and correcting problems coordinating issues with the Network Operations Center

• Self-starter with excellent troubleshooting skills and ability to prioritize tasks and organize workflow accordingly

• Excellent documentation, verbal and written communication skills are required

Company Benefits

• Company stocks

• Annual merit increase based on performance

• 15% night shift differential pay

• Paid Leave with Cash Conversion

• HMO with free dependents

• Retirement Plan

• Life Insurance

• While on work from home setup: Internet and meal allowance are provided

• Employee Assistance Program for mental and social well-being

• Government-mandated Benefits (SSS, PhilHealth, PagIBIG, 13th month pay, Solo parent leave, Special leave for women)

Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer.

View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal.

Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

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